From 8a187e29d31692ae88984417159cf2c16197e0f3 Mon Sep 17 00:00:00 2001
From: NTTdocomo <openstack-contributor-ml@nttdocomo.com>
Date: Mon, 23 Jul 2012 13:07:27 +0900
Subject: [PATCH] initial commit

---
 phy-mkinitrd.sh                | 127 +++++++++++++++++++++++
 scripts/d/init-func            | 179 +++++++++++++++++++++++++++++++++
 scripts/init                   | 157 +++++++++++++++++++++++++++++
 udev/firmware.sh               |  30 ++++++
 udev/rules.d/50-firmware.rules |   1 +
 udev/rules.d/80-drivers.rules  |  11 ++
 6 files changed, 505 insertions(+)
 create mode 100755 phy-mkinitrd.sh
 create mode 100755 scripts/d/init-func
 create mode 100644 scripts/init
 create mode 100755 udev/firmware.sh
 create mode 100644 udev/rules.d/50-firmware.rules
 create mode 100644 udev/rules.d/80-drivers.rules

diff --git a/phy-mkinitrd.sh b/phy-mkinitrd.sh
new file mode 100755
index 00000000..156e13ad
--- /dev/null
+++ b/phy-mkinitrd.sh
@@ -0,0 +1,127 @@
+#!/bin/bash
+
+# Copyright (c) 2012 NTT DOCOMO, INC. 
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+if [ $# -lt 2 ]; then
+	cat <<EOF
+usage: $0 OUTFILE KERNEL_VERSION [MODULE_ROOT]
+EOF
+	exit 1
+fi
+
+BUSYBOX=${BUSYBOX:-$(which busybox)}
+if [ -z "$BUSYBOX" ]; then
+	echo "busybox is not found in PATH" 1>&2
+	echo "Please set environment variable BUSYBOX to path to busybox executable" 1>&2
+	exit 1
+fi
+
+function fullpath() {
+	local f=$1
+	if [ "${f#/}" = "$f" ]; then
+		echo `pwd`/"$f"
+	else
+		echo "$f"
+	fi
+}
+
+DIR=`dirname "$0"`
+INIT="$DIR/scripts/init"
+FUNCTIONS_D="$DIR/scripts/d"
+LIB_UDEV="$DIR/udev"
+
+DEST=`fullpath "$1"`
+KERNEL_VERSION=$2
+MODULE_ROOT=${3:-""}
+MODULE_DIR=$MODULE_ROOT/lib/modules/$KERNEL_VERSION
+FIRMWARE_DIR=$MODULE_ROOT/lib/firmware
+
+if [ ! -d "$MODULE_DIR" ]; then
+	echo "ERROR: kernel module directory not found at $MODULE_DIR"
+	return 1
+fi
+
+INITRD_DIR=`mktemp -t -d phy-mkinitrd.XXXXXXXX`
+if [ $? -ne 0 ]; then
+	exit 1
+fi
+function cleanup() {
+	rm -r "$INITRD_DIR"
+}
+trap cleanup EXIT
+echo "working in $INITRD_DIR"
+
+mkdir -p "$INITRD_DIR/bin"
+ln -s bin "$INITRD_DIR/sbin"
+mkdir -p "$INITRD_DIR/lib"
+ln -s lib "$INITRD_DIR/lib64"
+mkdir -p "$INITRD_DIR/lib/modules"
+mkdir -p "$INITRD_DIR/etc"
+mkdir -p "$INITRD_DIR/etc/udev"
+
+cp -a "$LIB_UDEV" "$INITRD_DIR/lib/udev"
+
+mkdir -p "$INITRD_DIR/etc/modprobe.d"
+echo "blacklist evbug" > "$INITRD_DIR/etc/modprobe.d/blacklist.conf"
+
+mkdir -p "$INITRD_DIR/etc/udev"
+cat >"$INITRD_DIR/etc/udev/udev.conf" <<EOF
+udev_root="/dev"
+udev_rules="/lib/udev/rules.d"
+udev_log="info"
+EOF
+
+libs=
+for i in "$BUSYBOX" bash modprobe udevd udevadm wget tgtd tgtadm reboot shutdown; do
+	if "$BUSYBOX" --list | grep "^$i\$" >/dev/null; then
+		continue
+	fi
+	path=`which $i 2>/dev/null` || path=$i
+	if ! [ -x "$path" ]; then
+		echo "$i is not found in PATH" 2>&1
+		exit 1
+	fi
+	cp -L "$path" "$INITRD_DIR/bin/"
+	if l=`ldd "$path"`; then
+		l=$( echo "$l" | grep '/' | tr "\t" " " )
+		l=$( echo "$l" | sed 's/^.* => \([^ ]*\).*$/\1/' )
+		l=$( echo "$l" | sed 's/^ *\([^ ]*\) *(0x[0-9a-f]*)/\1/' )
+		l=$( echo "$l" | tr " " "\n" )
+		libs=$( printf "%s\n%s\n" "$l" "$libs" | sort | uniq )
+	fi
+done
+cp $libs "$INITRD_DIR/lib/"
+
+for i in $( "$BUSYBOX" --list ); do
+	if [ -f "$INITRD_DIR/bin/$i" ]; then
+		echo "skip $i"
+		continue
+	fi
+	ln -s busybox "$INITRD_DIR/bin/$i"
+done
+
+cp -a "$MODULE_DIR" "$INITRD_DIR/lib/modules/$KERNEL_VERSION"
+
+cp -a "$FIRMWARE_DIR" "$INITRD_DIR/lib/firmware"
+
+cp "$INIT" "$INITRD_DIR/init"
+chmod +x $INITRD_DIR/init
+for F in "$FUNCTIONS_D"/* ; do
+	cp "$F" "$INITRD_DIR"
+done
+
+(cd "$INITRD_DIR"; find . | cpio -o -H newc | gzip > "$DEST" )
+
diff --git a/scripts/d/init-func b/scripts/d/init-func
new file mode 100755
index 00000000..7491767d
--- /dev/null
+++ b/scripts/d/init-func
@@ -0,0 +1,179 @@
+# Copyright (c) 2012 NTT DOCOMO, INC. 
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+function get_kernel_parameter() {
+	local name=$1
+	for i in `cat /proc/cmdline`; do
+		case "$i" in
+		${name}=*)
+			echo "${i#${name}=}"
+			return 0
+			;;
+		${name})
+			echo ""
+			return 0
+			;;
+		*)
+			;;
+		esac
+	done
+	echo ""
+	return 1
+}
+
+function load_modules_by_udev() {
+	depmod
+	udevadm trigger --action=add
+	udevadm settle
+}
+
+function strip_dev() {
+	echo "$1" | sed -e 's:^/dev/::'
+}
+
+function prepend_dev() {
+	case "$1" in
+	/dev/*)
+		echo "$1"
+		;;
+	*)
+		echo "/dev/$1"
+		;;
+	esac
+}
+
+function whole_disk_name() {
+	local dev=`prepend_dev "$1"`
+	case "$dev" in
+	/dev/sd*|/dev/hd*)
+		echo "$dev" | sed -e 's/[0-9]*$//'
+		;;
+	/dev/cciss/*)
+		echo "$dev" | sed -e 's/p[0-9]*$//'
+		;;
+	*)
+		echo ""
+		return 1
+		;;
+	esac
+}
+
+function partition_name() {
+	local dev=`prepend_dev "$1"`
+	local part=$2
+	case "$dev" in
+	/dev/sd*|/dev/hd*)
+		echo "${dev}${part}"
+		;;
+	/dev/cciss/*)
+		echo "${dev}p${part}"
+		;;
+	*)
+		echo ""
+		return 1
+		;;
+	esac
+}
+
+function find_interface() {
+	local mac=$1
+	eth=`ifconfig -a | grep -i "$mac" | awk {' print $1 '} | head -n 1`
+	if [ -n "$eth" ]; then
+		echo "$eth"
+		return 0
+	else
+		return 1
+	fi
+}
+
+function set_mac() {
+	local dev=$1
+	local mac=$2
+	ip link set "$dev" address "$mac"
+}
+
+function swap_ifname() {
+	local dev=$1
+	local dev2=$2
+	if [ "$dev" = "$dev2" ]; then
+		return
+	fi
+	if ip link show "$dev2" >/dev/null; then
+		# dev2 exists
+		# swap device name
+		ip link set "$dev" name "_$dev"
+		ip link set "$dev2" name "$dev"
+		ip link set "_$dev" name "$dev2"
+	else
+		ip link set "$dev" name "$dev2"
+	fi
+}
+
+function partition_exists() {
+	local dev=$1
+	dev=`strip_dev "$dev"`
+	if tail -n +3 /proc/partitions | grep "$dev" >/dev/null; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+function find_disk() {
+	local disks=$1
+	local dev
+
+	# find device
+	local OLD_IFS=$IFS
+	IFS=,
+	for i in $disks; do
+		dev=`whole_disk_name "$i"`
+		if partition_exists "$dev"; then
+			dev=`prepend_dev "$dev"`
+			break
+		fi
+	dev=""
+	done
+	IFS=$OLD_IFS
+
+	if [ -z "$dev" ]; then
+		return 1
+	fi
+	echo "$dev"
+	return 0
+}
+
+function start_iscsi_target() {
+	local iqn=$1
+	local dev=$2
+	local cli=$3
+
+	# used by tgtd
+	mkdir -p /var/run
+
+	tgtd
+
+	tgtadm --lld iscsi --mode target --op new --tid 1 --targetname "$iqn"
+	tgtadm --lld iscsi --mode logicalunit --op new --tid 1 --lun 1 --backing-store "$dev"
+	tgtadm --lld iscsi --mode target --op bind --tid 1 --initiator-address "$cli"
+}
+
+function stop_iscsi_target() {
+	tgtadm --lld iscsi --mode logicalunit --op delete --tid 1 --lun 1
+	tgtadm --lld iscsi --mode target --op delete --tid 1
+	killall tgtd
+}
+
+
diff --git a/scripts/init b/scripts/init
new file mode 100644
index 00000000..492088dc
--- /dev/null
+++ b/scripts/init
@@ -0,0 +1,157 @@
+#!/bin/bash
+
+# Copyright (c) 2012 NTT DOCOMO, INC. 
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+echo "init"
+
+source /init-func
+
+PATH=/sbin:/bin:/usr/bin:/usr/sbin
+export PATH
+
+mkdir -p /proc
+mkdir -p /sys
+mkdir -p /dev
+mkdir -p /boot
+mkdir -p /etc
+mkdir -p /mnt
+mkdir -p /lib/modules
+
+mount -t proc proc /proc
+
+readonly _BOOTIF_=$(get_kernel_parameter BOOTIF)
+readonly _IP_=$(get_kernel_parameter ip)
+readonly BOOT_MAC_ADDRESS=$(echo "$_BOOTIF_" | sed -e "s/-/:/g"  | sed -e "s/^01://g" | tr 'a-f' 'A-F')
+readonly BOOT_IP_ADDRESS=$(echo "$_IP_" | cut -d':' -f1)
+readonly BOOT_SERVER=$(echo "$_IP_" | cut -d':' -f2)
+readonly BOOT_NETMASK=$(echo "$_IP_" | cut -d':' -f4)
+
+readonly DISK=$(get_kernel_parameter disk)
+
+readonly DEPLOYMENT_ID=$(get_kernel_parameter deployment_id)
+readonly DEPLOYMENT_KEY=$(get_kernel_parameter deployment_key)
+readonly ISCSI_TARGET_IQN=$(get_kernel_parameter iscsi_target_iqn)
+
+if [ -z "$ISCSI_TARGET_IQN" ]; then
+	echo "iscsi_target_iqn is not defined"
+	echo "Starting troubleshooting shell."
+	bash
+fi
+
+mount -t sysfs none /sys
+mount -t tmpfs none /dev
+ln -sf /proc/self/fd /dev/fd
+mknod /dev/null c 1 3
+mknod /dev/zero c 1 5
+mknod /dev/random c 1 8
+mknod /dev/urandom c 1 9
+mknod /dev/tty0 c 4 0
+mknod /dev/tty1 c 4 1
+mknod /dev/tty2 c 4 2
+mknod /dev/tty3 c 4 3
+mknod /dev/tty4 c 4 4
+mknod /dev/tty5 c 4 5
+mknod /dev/tty6 c 4 6
+mknod /dev/tty7 c 4 7
+mknod /dev/tty8 c 4 8
+mknod /dev/tty9 c 4 9
+mknod /dev/tty c 5 0
+mknod -m 0600 /dev/console c 5 1
+mknod -m 0666 /dev/ptmx c 5 2
+mkdir -p /dev/.udev
+mkdir -p /dev/.udev/data
+
+echo "starting syslogd"
+
+echo '*.* /initlog' > /etc/syslog.conf
+syslogd
+klogd
+
+echo "starting udevd"
+udevd --daemon --resolve-names=never
+
+echo "load modules"
+load_modules_by_udev
+
+echo "starting network $BOOT_MAC_ADDRESS"
+t=0
+while ! BOOT_INTERFACE=$(find_interface "$BOOT_MAC_ADDRESS"); do
+	t=`expr "$t" + 5`
+	if [ "$t" -gt 10 ]; then
+		break
+	fi
+	sleep 5
+done
+if [ -z "$BOOT_INTERFACE" ]; then
+	echo "could not find an interface owns MAC=$BOOT_MAC_ADDRESS"
+	echo "Starting troubleshooting shell."
+	bash
+fi
+
+readonly BOOT_INTERFACE
+
+ifconfig lo 127.0.0.1 up
+ifconfig "$BOOT_INTERFACE" up
+if [ $? -ne 0 ]; then
+	sleep 10
+	ifconfig "$BOOT_INTERFACE" up
+	if [ $? -ne 0 ]; then
+		echo "Failed to up $BOOT_INTERFACE"
+		echo "Starting troubleshooting shell."
+		bash
+	fi
+fi
+ifconfig "$BOOT_INTERFACE" "$BOOT_IP_ADDRESS" netmask "$BOOT_NETMASK"
+
+echo "pinging to boot server $BOOT_SERVER"
+w=30
+while [ $w -gt 0 ]; do
+	ping -c 5 -q "$BOOT_SERVER" > /dev/null
+	if [ $? -eq 0 ]; then
+		break
+	fi
+	sleep 1
+	w=`expr $w - 5`
+done
+
+echo "network ready"
+
+target_disk=`find_disk "$DISK"`
+echo "start iSCSI target on $target_disk"
+start_iscsi_target "$ISCSI_TARGET_IQN" "$target_disk" ALL
+if [ $? -ne 0 ]; then
+	echo "Could not find disk to use."
+	echo "Starting troubleshooting shell."
+	bash
+fi
+
+echo "request boot server to deploy image"
+d="i=$DEPLOYMENT_ID&k=$DEPLOYMENT_KEY&a=$BOOT_IP_ADDRESS&n=$ISCSI_TARGET_IQN"
+wget --post-data "$d" "http://$BOOT_SERVER:10000"
+
+echo "waiting for notice of complete"
+nc -l -p 10000
+
+echo "stop iSCSI target on $target_disk"
+
+stop_iscsi_target
+
+echo "rebooting"
+reboot -f
+
+echo "failed to reboot"
+echo "Starting troubleshooting shell."
+bash
diff --git a/udev/firmware.sh b/udev/firmware.sh
new file mode 100755
index 00000000..1a13e5f7
--- /dev/null
+++ b/udev/firmware.sh
@@ -0,0 +1,30 @@
+#!/bin/sh -e
+
+FIRMWARE_DIRS="/lib/firmware/updates/$(uname -r) /lib/firmware/updates \
+               /lib/firmware/$(uname -r) /lib/firmware"
+
+err() {
+	echo "$@" >&2
+	logger -t "${0##*/}[$$]" "$@" 2>/dev/null || true
+}
+
+if [ ! -e /sys$DEVPATH/loading ]; then
+	err "udev firmware loader misses sysfs directory"
+	exit 1
+fi
+
+for DIR in $FIRMWARE_DIRS; do
+	[ -e "$DIR/$FIRMWARE" ] || continue
+	echo 1 > /sys$DEVPATH/loading
+	cat "$DIR/$FIRMWARE" > /sys$DEVPATH/data
+	echo 0 > /sys$DEVPATH/loading
+	exit 0
+done
+
+echo -1 > /sys$DEVPATH/loading
+err "Cannot find  firmware file '$FIRMWARE'"
+mkdir -p /dev/.udev/firmware-missing
+file=$(echo "$FIRMWARE" | sed 's:/:\\x2f:g')
+ln -s -f "$DEVPATH" /dev/.udev/firmware-missing/$file
+exit 1
+
diff --git a/udev/rules.d/50-firmware.rules b/udev/rules.d/50-firmware.rules
new file mode 100644
index 00000000..2fbebb0e
--- /dev/null
+++ b/udev/rules.d/50-firmware.rules
@@ -0,0 +1 @@
+SUBSYSTEM=="firmware", ACTION=="add", RUN+="firmware.sh"
diff --git a/udev/rules.d/80-drivers.rules b/udev/rules.d/80-drivers.rules
new file mode 100644
index 00000000..caf1be44
--- /dev/null
+++ b/udev/rules.d/80-drivers.rules
@@ -0,0 +1,11 @@
+ACTION!="add", GOTO="drivers_end"
+
+DRIVER!="?*", ENV{MODALIAS}=="?*", RUN+="/sbin/modprobe $env{MODALIAS}"
+SUBSYSTEM=="tifm", ENV{TIFM_CARD_TYPE}=="SD", RUN+="/sbin/modprobe tifm_sd"
+SUBSYSTEM=="tifm", ENV{TIFM_CARD_TYPE}=="MS", RUN+="/sbin/modprobe tifm_ms"
+SUBSYSTEM=="memstick", RUN+="/sbin/modprobe --all ms_block mspro_block"
+SUBSYSTEM=="i2o", RUN+="/sbin/modprobe i2o_block"
+SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST!="[module/sg]", RUN+="/sbin/modprobe sg"
+SUBSYSTEM=="module", KERNEL=="parport_pc", RUN+="/sbin/modprobe ppdev"
+
+LABEL="drivers_end"